Over 3-Years Follow-Up of a Case of Primary Biliary Cholangitis With Autoimmune Hyperthyroidism: Factors Associated With Liver Dysfunction.

We present a rare case of a 50-year-old woman with simultaneous primary biliary cholangitis (PBC) and autoimmune hyperthyroidism in which the factors associated with liver dysfunction were evaluated over a 3-year follow-up period. Although serum thyroid hormone levels improved after the administration of thiamazole, thyroid dysfunction was not directly associated with liver dysfunction. During the follow-up period, anti-hyperlipidemic drug therapy and eradication therapy for () infection caused transient elevation of serum transaminase levels. It should be recognized that serum liver enzyme levels might be affected by various factors, including the therapies for the many complications of PBC.